4. Telephonic communications
  5. Plural exchange network or interconnection
  6. Multi-pbx interconnection

Steffi Winkler

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Communication system

Multiplex communications – Pathfinding or routing – Combined circuit switching and packet switching
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Communication system and method for controlling features in...

Telephonic communications – Plural exchange network or interconnection – Multi-pbx interconnection
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Communications system and method

Telephonic communications – Plural exchange network or interconnection – With interexchange network routing
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Method and arrangement for coupling messages in a central...

Multiplex communications – Communication techniques for information carried in plural... – Adaptive
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Profile ID: LFUS-PAI-P-2990885

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